A horizontal, usually underground stem that often sends out roots and shoots from its nodes. Also called rootstock.
[Greek rhizōma, mass of roots, from rhizoun, to cause to take root, from rhiza, root; see wrād- in the Appendix of Indo-European roots.]
rhi·zoma·tous (-zŏmə-təs, -zōmə-) adj.
(click for a larger image)rhizome
Solomon's seal rhizome
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